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Умножение и упрощение многочленов

Authored by Александра Соколова

Mathematics

7th Grade

Умножение и упрощение многочленов
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Умножьте 3x на многочлен 2x^2 + 4x - 5.

6x^3 + 8x^2 - 15x

6x^3 + 4x^2 - 5x

6x^3 + 12x^2 - 15x

3x^2 + 4x - 5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Сложите одночлены 5y и 3y.

8x

5y + 3y

8y

2y

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Упростите многочлен 4x^2 + 2x - 3x^2 + 7.

x^2 + 2x + 7

4x^2 - x + 7

x^2 - 2x - 3

3x^2 + 2x + 4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Какой коэффициент у x в многочлене 6x^2 + 4x - 2?

4

0

6

-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Умножьте -2a на многочлен a^2 + 3a + 1.

2a^3 + 6a^2 + 2a

-2a^3 + 3a^2 - 2a

-2a^3 - 3a^2 + 1

-2a^3 - 6a^2 - 2a

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Сложите одночлены 7m^2 и -2m^2.

3m^2

-5m^2

7m^2

5m^2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Упростите многочлен 5x - 3 + 2x + 4.

7x - 3

7x + 1

2x - 3

5x + 7

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